402997775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{7829}}^1$

素因数の和:7939

約数の個数: 24

約数和(自身を含む): 524296800

約数和(自身を除く): 121299025

約数列:

[1, 5, 25, 29, 71, 145, 355, 725, 1775, 2059, 7829, 10295, 39145, 51475, 195725, 227041, 555859, 1135205, 2779295, 5676025, 13896475, 16119911, 80599555, 402997775]

約数ペア:

[(1, 402997775), (5, 80599555), (25, 16119911), (29, 13896475), (71, 5676025), (145, 2779295), (355, 1135205), (725, 555859), (1775, 227041), (2059, 195725), (7829, 51475), (10295, 39145)]